Home / 91,397,651.95-126,128,759.68-52,240,269.45

Finding the Fourth Proportional to 91,397,651.95, 126,128,759.68 and 52,240,269.45

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Solution

The fourth proportional to 91,397,651.95, 126,128,759.68 and 52,240,269.45 is: 72,091,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,397,651.95 : 126,128,759.68 = 52,240,269.45 : x
  2. Step 2: Convert to fraction form
    91,397,651.95/126,128,759.68 = 52,240,269.45/x
  3. Step 3: Cross multiply
    91,397,651.95x = 126,128,759.68 × 52,240,269.45
  4. Step 4: Simplify right side
    91,397,651.95x = 6,589,000,391,077,497
  5. Step 5: Solve for x
    x = 6,589,000,391,077,497/91,397,651.95
  6. Step 6: Final answer
    x = 72,091,571.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.